unifilt.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 1999-2010, International Business Machines Corporation and others.
* All Rights Reserved.
**********************************************************************
*   Date        Name        Description
*   11/17/99    aliu        Creation.
**********************************************************************
*/
#ifndef UNIFILT_H
#define UNIFILT_H

#include "unicode/unifunct.h"
#include "unicode/unimatch.h"

U_NAMESPACE_BEGIN

#define U_ETHER ((char16_t)0xFFFF)

class U_COMMON_API UnicodeFilter : public UnicodeFunctor, public UnicodeMatcher {

public:
    virtual ~UnicodeFilter();

    virtual UBool contains(UChar32 c) const = 0;

    virtual UnicodeMatcher* toMatcher() const;

    virtual UMatchDegree matches(const Replaceable& text,
                                 int32_t& offset,
                                 int32_t limit,
                                 UBool incremental);

    virtual void setData(const TransliterationRuleData*);

    static UClassID U_EXPORT2 getStaticClassID();

protected:

    /*
     * Since this class has pure virtual functions,
     * a constructor can't be used.
     * @stable ICU 2.0
     */
/*    UnicodeFilter();*/
};

/*inline UnicodeFilter::UnicodeFilter() {}*/

U_NAMESPACE_END

#endif